http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s13_qp_11.pdf
Q30

Question

http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s13_qp_11.pdf
Q30

anonymous · Answer

Yes, so now what?

abmon98 · Answer

i have posted the link of the question because i cant copy the displayed diagram of the compounds

anonymous · Answer

There is a lot of information posted in that link. You haven't asked anything specific.

abmon98 · Answer

Question 30

abmon98 · Answer

The correct answer is B but i dont know why

abmon98 · Answer

any clue ghuczek on how to solve that question

alphadxg · Answer

@Abmon98 Organic Chem is all about memorization, you need to memorize bonds etc.

abmon98 · Answer

alphadxg i do memorize, but i cant understand why the answer for my question is B

anonymous · Answer

They need to be in the trans orientation across the double biond (eliminating choices C and D), and R1 and R2 have to be different.

abmon98 · Answer

why R1 and R2 have to be different

vincent-lyon.fr · Answer

Answer is in the file.

abmon98 · Answer

Thank you vincent :D, The COO are all cancelled out

abmon98 · Answer

and why is the CH next to the COO in the right side